IL2RA and myeloid sarcoma: The MS association at IL2RA has recently been replicated in over 600 multiplex families from Canada (rs12722489, P = 0.009; OR = 0.81; 95% c.i. = 0.70–0.93) and 1,146 subjects with MS and 1,309 healthy controls from Australia (rs2104286, P = 0.033; OR = 0.86; 95% c.i. = 0.75–0.99).